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443.0 Aluminum vs. 7020 Aluminum

Both 443.0 aluminum and 7020 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 443.0 aluminum and the bottom bar is 7020 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 41
45 to 100
Elastic (Young's, Tensile) Modulus, GPa 71
70
Elongation at Break, % 5.6
8.4 to 14
Fatigue Strength, MPa 55
110 to 130
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
26
Shear Strength, MPa 96
110 to 230
Tensile Strength: Ultimate (UTS), MPa 150
190 to 390
Tensile Strength: Yield (Proof), MPa 65
120 to 310

Thermal Properties

Latent Heat of Fusion, J/g 470
380
Maximum Temperature: Mechanical, °C 180
210
Melting Completion (Liquidus), °C 630
650
Melting Onset (Solidus), °C 580
610
Specific Heat Capacity, J/kg-K 900
880
Thermal Conductivity, W/m-K 150
150
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
39
Electrical Conductivity: Equal Weight (Specific), % IACS 130
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.7
2.9
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.9
23 to 46
Resilience: Unit (Modulus of Resilience), kJ/m3 30
110 to 690
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 52
47
Strength to Weight: Axial, points 16
18 to 37
Strength to Weight: Bending, points 23
25 to 41
Thermal Diffusivity, mm2/s 61
59
Thermal Shock Resistance, points 6.9
8.3 to 17

Alloy Composition

Aluminum (Al), % 90.7 to 95.5
91.2 to 94.8
Chromium (Cr), % 0 to 0.25
0.1 to 0.35
Copper (Cu), % 0 to 0.6
0 to 0.2
Iron (Fe), % 0 to 0.8
0 to 0.4
Magnesium (Mg), % 0 to 0.050
1.0 to 1.4
Manganese (Mn), % 0 to 0.5
0.050 to 0.5
Silicon (Si), % 4.5 to 6.0
0 to 0.35
Titanium (Ti), % 0 to 0.25
0 to 0.25
Zinc (Zn), % 0 to 0.5
4.0 to 5.0
Zirconium (Zr), % 0
0.080 to 0.25
Residuals, % 0
0 to 0.15